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WZ Sge-type dwarf novae with multiple rebrightenings: MASTER OT J211258.65+242145.4 and MASTER OT J203749.39+552210.3
Chikako Nakata, Tomohito Ohshima, Taichi Kato +25
We report on photometric observations of WZ Sge-type dwarf novae, MASTER OT J211258.65+242145.4 and MASTER OT J203749.39+552210.3 which underwent outbursts in 2012. Early superhump…
SSS J122221.7-311523: Double Superoutburst in a Best Candidate Period Bouncer
Taichi Kato, Berto Monard, Franz-Josef Hambsch +2
We observed the 2012-2013 superoutburst of the newly identified transient SSS J122221.7-311523 and found that this object showed successive two superoutbursts. Superhumps grew in a…
V0784 Ophiuchi: an RR Lyrae star with multiple Blazhko modulations
Pierre de Ponthiere, Franz-Josef Hambsch, Tom Krajci +1
The results of an observation campaign of V0784 Ophiuchi over a time span of two years have revealed a multi-periodic Blazhko effect. A Blazhko effect for V0784 Ophiuchi has not be…
Sensitivity of measured fission yields on prompt-neutron corrections
A. Al-Adili, F. -J. Hambsch, S. Pomp +1
The amount of emitted prompt neutrons from the fission fragments increases as a function of excitation energy. Yet it is not fully understood whether the increase in ν(A) as a func…
The Death Spiral of T Pyxidis
Joseph Patterson, Arto Oksanen, Berto Monard +12
We report a long campaign to track the 1.8 hr photometric wave in the recurrent nova T Pyxidis, using the global telescope network of the Center for Backyard Astrophysics. During 1…